#2875B0
Closest named color: Nice Blue (#107AB0). oklch(54.4% 0.118 245.9), rgb(40, 117, 176).
Aa
White text reads best on this color (4.92:1).
About this color
#2875B0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.118 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.016 away. White text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #2875B0 |
| RGB | rgb(40, 117, 176) |
| HSL | hsl(206, 63%, 42%) |
| OKLCH | oklch(54.4% 0.118 245.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2875B0 | 4.92:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #2875B0 | 4.26:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #2875B0 text on white | 4.92:1 | AA | Lc 73.8 | Content text, not long reading |
| #2875B0 text on black | 4.26:1 | AA large text | Lc -27.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADCEC
oklch(88.6% 0.029 244.9)
-
Step 300
300
#A5C5E1
oklch(80.9% 0.053 244.9)
-
Step 400
400
#73A6D3
oklch(70.7% 0.086 246)
-
Step 500
500
#4C8FC7
oklch(63% 0.109 245.9)
-
Step 600
600 (this color)
#2875B0
oklch(54.4% 0.118 245.9)
-
Step 700
700
#1E659B
oklch(49.1% 0.11 246.1)
-
Step 800
800
#1C537D
oklch(42.8% 0.09 245.5)
-
Step 900
900
#1D4565
oklch(37.8% 0.071 245.5)
-
Step 950
950
#12283B
oklch(26.9% 0.045 246.6)
#2875B0 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5A77B3 | 0.048 |
| Deuteranopia (no green cones) | #466BAF | 0.034 |
| Tritanopia (no blue cones) | #00838A | 0.084 |
| Achromatopsia (no color) | #707070 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2875B0
#2875B0
oklch(54.4% 0.118 245.9)
- #9D5F0A
#9D5F0A
oklch(54.3% 0.118 65.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2875B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.016
- Flat Blue #3C73A8 ΔE 0.018
- Windows Blue #3778BF ΔE 0.028
- Muted Blue #3B719F ΔE 0.028
- French Blue #436BAD ΔE 0.032
- Mid Blue #276AB3 ΔE 0.033
- Ocean Blue #03719C ΔE 0.037
- Dull Blue #49759C ΔE 0.040
Use #2875B0 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.